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Ford Transit Courier MAF airflow sensor CODE help!?

TransitG123
TransitG123
in Ford Transit Club

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Hi all, 

Im desperately seeking help/advice on my 2015 Transit Courier 1.5 Tdci on 80,000miles . Several weeks ago the engine management light came on whilst driving. The van still drives fine with no symptoms at all....I took the van to my friends garage. He plugged it in and it came up as a MAF air flow sensor code. He replaced the sensor reset the EML and i collected the van. The next day the EML came back on! Same code! I took the van back, we decided to get another sensor just incase this one was faulty. He replaced it again and i drove away. The next day the light came back on again! I took the van back a third time, from this my friend removed all of the hoses etc checked for any air leaks, checked the air filter and tested all of the wiring plugs to the sensor etc all seemed fine. There was apparently another sensor on the system that he removed and cleaned just incase, although this one was not what the code was relating to. Put it all back together, reset the codes, test drove it and all was ok. The next day (you guessed it) The light came back on!!

This time i took the van to Ford Main Dealer - They diagnosed it as a clogged DPF causing the MAF sensor to trigger. Ford wanted 2.5k to replace this. So i went back to my friends garage, who replaced the DPF for just under a grand. I got the van back and tried again.....

2 days later.. THE EML LIGHT CAME BACK ON!!!! I went back to ford after their diagnoses to show them that the DPF had been replaced and still this had not solved the issue. Ford had the van for a couple of days. On collection they told me that they had also replaced the MAF sensor again just incase the other one wasn't genuine but the Code was still there! They then advised me from the diagnostic that the EGR valve is not working correctly and needs replacing... That's what causing the MAF sensor to trigger and that's what clogged up the DPF....

I take the van back to my friends garage and have the EGR valve replaced. He confirms it wasn't in great condition on removal. That the light is now off and the van is good to go...

 

2 days later......... THE LIGHT COMES BACK ON!!!!!! Ford have no answers, they just keep advising me to spend thousands on parts that don't cure it. The guys at my friends garage have no more ideas. Can anyone help with this one???

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